GE SR489-P5-HI-A20-E digital protective relay

Description

The **GE SR489-P5-HI-A20-E** is a part of General Electric’s **mark of protective relays** and control devices used within power systems, particularly in the context of industrial and utility applications. This device, specifically, is typically recognized as a model of the **SR489 series**, which is designed for more advanced power system monitoring and control.

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SR489-P5-HI-A20-E.pdf

### Overview of GE SR489-P5-HI-A20-E

**1. Description:**
– The SR489-P5-HI-A20-E is a digital protective relay that monitors electrical parameters and protects equipment by detecting fault conditions. Its design ensures that it can be applied in various electrical systems, including substations and generation plants.

**2. Key Functions:**
– Monitors electrical parameters such as voltage, current, frequency, and phase angle.
– Provides digital communications for integration into wider control systems.
– Offers various protection functions, such as overcurrent, undercurrent, over-voltage, and differential protection.

### Key Features

– **Advanced Technology:**
– Utilizes advanced digital signal processing for accurate and reliable monitoring and protection of power systems.

– **Customizable Settings:**
– Allows users to set various protection thresholds and configurations suitable for their specific applications and equipment.

– **Communications Capabilities:**
– Equipped with communication ports that support various protocols (such as Ethernet or Modbus), enabling system integration and remote monitoring.

– **Event Recording and Diagnostics:**
– Capable of recording events and faults which can be analyzed later for system diagnostics and improvements.

– **User-Friendly Interface:**
– Often features a display and programming interface that makes setup and monitoring easier for operators.

### Considerations for Use

– **Installation:**
– Proper installation procedures must be followed to ensure the device operates correctly within the intended electrical system.

– **Configuration and Calibration:**
– Configuration to meet specific application needs and calibrating settings for precise performance is essential.

– **Regular Maintenance:**
– Routine checks should be performed to ensure continued operation, which may include software updates, thorough inspections, and functional testing.

### Conclusion

The **GE SR489-P5-HI-A20-E** is a sophisticated protective relay designed to enhance the reliability and safety of electrical power systems. Its versatility and extensive features make it suitable for safeguarding various industrial and utility applications.

If you have additional questions about the SR489-P5-HI-A20-E, such as specific configuration details, technical specifications, or needing troubleshooting advice, feel free to ask!